I believe globals are to be used in the RHS of a rule and not the LHS
which uses "normal" facts.
I would suggest rule "AmountsAreNotNull" asserts new objects that
activate rule "CompareValue" or something similar.
Saving variables between rules should be accomplished using logically
asserted facts.
I hope this helps.
Mike
________________________________
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Alexander
Komissarov
Sent: 14 June 2007 14:46
To: [email protected]
Subject: [rules-users] How to get value of global variable from
one rule toanother
Hello,
Please give me advice for best way storing global variables.
global java.lang.Integer res;
global java.lang.Integer res2;
...
I've several number of rules. One rule has variable
initialization e.g.:
...
rule "AmountsAreNotNull" salience 20
when
< conditions >
then
...
res = new Integer(a.compareTo(new BigDecimal(25)));
res = (res == -1)?0:res;
res = (res == -1)?0:res;
res2 = new Integer(a.compareTo(b));
res2 = (res2 == -1)?0:res2;
...
end
The values of these variables are proper and equal 1
Then next rule has comparing for res|res2 values, but they have
lost their values (res == null and res2 == null)
rule "CompareValues" salience 10
when
res:Integer(intValue == 0)
res2:Integer(intValue == 0)
result:List()
then
result.add(Boolean.TRUE);
end
What decision you can advise me to save variables value between
rules?
Thanks.
____________________
Regards,
Komissarov Alexander
mail: [EMAIL PROTECTED]
icq: 239128267
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